<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <!-- 后台管理系统头像 -->
        <img src="@/assets/logo.png" alt="" />
      </div>
      <el-form
      ref="loginFormRef"
      class="login_form"
      :model="loginForm"
      :rules="rules">
        <!-- 用户名输入 -->
        <el-form-item prop="username">
          <el-input
            prefix-icon="iconfont icon-user"
            v-model="loginForm.username"
          ></el-input>
        </el-form-item>
        <!-- 用户密码输入 -->
        <el-form-item prop="password">
          <el-input
            type="password"
            prefix-icon="iconfont icon-3702mima"
            v-model="loginForm.password"
          >
          </el-input>
        </el-form-item>
        <!-- 登录按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'LoginIndex',
  components: {},
  props: {},
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      rules: {
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 6, message: '长度在 3 到 6 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 16, message: '长度在 6 到 16 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  computed: {},
  watch: {},
  created () {},
  mounted () {},
  methods: {
    resetLoginForm () {
      // 重置表单
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async value => {
        if (!value) return value
        const { data } = await this.$http.post('login', this.loginForm)
        if (data.meta.status !== 200) return this.$message.error('登陆失败')
        this.$message.success('登陆成功')
        window.sessionStorage.setItem('token', data.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style scoped lang="less">
.login_container {
  background-color: #2b5b6b;
  height: 100%;
  .login_box {
    width: 450px;
    height: 300px;
    background: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    .avatar_box {
      height: 130px;
      width: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      background-color: #fff;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
    .login_form {
      position: absolute;
      bottom: 0;
      width: 100%;
      padding: 0 20px;
      box-sizing: border-box;
    }
    .btns {
      display: flex;
      justify-content: flex-end;
    }
  }
}
</style>
